粉末粒度对钛合金闭式叶轮成形的影响
尚学文, 崔潇潇, 徐磊, 卢正冠

Effect of Powder Particle Size on Forming Titanium Alloy Shrouded Impeller
SHANG Xuewen, CUI Xiaoxiao, XU Lei, LU Zhengguan
图6 闭式叶轮本体拉伸试样断口SEM像(77 K)
Fig.6 Low (a) and high (b) magnified fracture SEM images of sampling from shrouded impeller at 77 K